PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS35271-42Screw,machine

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5305-00-156-2307 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-156-2307 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-156-2307. Primary manufacturer part number: MS35271-42.
Features
  • Screw,machine — FSC 5305
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Head Height: 0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN
  • Nondefinitive Spec/std Data: 1 TYPE AND 5 STYLE
  • Thread Direction: RIGHT-HAND
  • Thread Class: 2A A
  • Head Diameter: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
  • Screw Material: COPPER ALLOY
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-156-2307, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-156-2307
Primary Part NumberMS35271-42
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head Height0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN
Nondefinitive Spec/std Data1 TYPE AND 5 STYLE
Thread DirectionRIGHT-HAND
Thread Class2A A
Head Diameter0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Screw MaterialCOPPER ALLOY
Head StyleFILLISTER
Screw Material Document and ClassificationQQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE
Thread Length0.312 INCHES NOMINAL IN
Thread Quantity Per Inch32
Fastener Length0.312 INCHES NOMINAL IN
Internal Drive StyleSLOT
Nominal Thread Diameter0.164 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5950-00-234-070413746 INTERCHANGEABLE
Transformer,power Autotransforme
Freed Transformer Co
5305-00-638-5524328C155B0832C05 INTERCHANGEABLE
Screw,machine
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5325-01-380-8161 INTERCHANGEABLE
Ring,retaining
5930-01-531-297213746 INTERCHANGEABLE
Switch,rotary
Shallco, Inc
1005-01-678-495113746 INTERCHANGEABLE
Stock,gun,shoulder
Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
MS35271-42 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AC500AB8-5 Air Corps Standards Under Custodianiship of the Air Force
AN500AB8-5 Aeronautical Standards Group Dept of Navy and Air Force (USA)
13746 Prestolite Electric Inc (USA)
Related Parts
5950-00-234-0704INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
13746
5305-00-638-5524INTERCHANGEABLE
SCREW,MACHINE
328C155B0832C05
5325-01-380-8161INTERCHANGEABLE
RING,RETAINING
5930-01-531-2972INTERCHANGEABLE
SWITCH,ROTARY
13746
1005-01-678-4951INTERCHANGEABLE
STOCK,GUN,SHOULDER
13746

Frequently Asked Questions

What is NSN 5305-00-156-2307?

NSN 5305-00-156-2307 is a Screw,machine, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-156-2307?

NSN 5305-00-156-2307 has 4 cross-referenced part numbers: MS35271-42 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), AC500AB8-5 (Air Corps Standards Under Custodianiship of the Air Force), AN500AB8-5 (Aeronautical Standards Group Dept of Navy and Air Force), 13746 (Prestolite Electric Inc).

What NSN replaces 5305-00-156-2307?

There are 5 known substitutes for 5305-00-156-2307: 5950-00-234-0704, 5305-00-638-5524, 5325-01-380-8161 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS35271-42?

Key specifications for MS35271-42: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Head Height: 0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN; Nondefinitive Spec/std Data: 1 TYPE AND 5 STYLE; Thread Direction: RIGHT-HAND. 14 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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